Frost dates in Negaunee, MI
The average last spring frost in Negaunee is around May 28 and the first fall frost is around September 23. That gives Negaunee an average growing season of about 118 days.
Last spring frost
| Early (10% chance after) | May 13 |
|---|---|
| Average (50%) | May 28 |
| Late (90%) | June 13 |
First fall frost
| Early (10%) | September 8 |
|---|---|
| Average (50%) | September 23 |
| Late (90% chance before) | October 10 |